This spy Micro earpiece FM receiver is the smallest RF receiver in the world, hiding completely in the ear canal, which makes the communication completely invisible and covert. It can be used as a wireless in-ear prompter for conferencies, presentations, speeches, exams, interviews, reporters and others. No interference with any electromagnetic field. Technical specification for the spy Micro Earpiece FM Receiver: MRF400-B.
Receiver mod: narrow-band RF receiver. Frequency: fixed UHF FM, crystal quartz controlled - 416-468 MHz and 144-156 MHz at request. Audio response: 200 Hz - 4500 Hz. Audio signal output: 94 dB. Channel selectivity: 49 dB (at 200 kHz channel spacing). Spurious emissions: below -51 dBm ERP. Distortion: 5% (depends on the volume). Weight: 1.5 g (with battery). Battery autonomy: operational time 24 - 48 h. Current consumption: 2.4 mA. Type of battery: zinc air A10. You will pay for the returning shippment to us. We will check it to see whats wrong with it and will repair/replace it for free if its not defective because of your actions. You will pay for sending the product back to you. It's your responsability how you use the product and to know your country's legislation and regulations. The item "Secret 416 Mhz spy earpiece with radio transmitter compatible with Iphone, etc" is in sale since Tuesday, July 18, 2017.This item is in the category "Consumer Electronics\Gadgets & Other Electronics\Surveillance Gadgets". The seller is "ozifox" and is located in Galati, Galati. This item can be shipped worldwide.